3. Convert the following if–else structure into an equivalent switch–case structure. #include using namespace std; int main() { char grade; grade = ‘E’; if (grade == ‘A’) cout else if (( grade ==...

3. Convert the following if–else structure into an equivalent switch–case structure.

#include using namespace std; int main()

{

char grade; grade = ‘E’;

if (grade == ‘A’)

cout <“>

else if (( grade == ‘B’) || (grade == ‘C’))

cout \n”;

else if ((grade == ‘D’) || (grade == ‘E’)) cout \n”;

else

cout <“>

}